Fish tank



FIG. 1 is a front elevation view of the fish tank of my design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a perspective view thereof;

FIG. 7 is a front elevation view of an alternate embodiment thereof;

FIG. 8 is a rear elevation view of FIG. 7;

FIG. 9 is a right side elevation view of FIG. 7;

FIG. 10 is a left side elevation of FIG. 7;

FIG. 11 is a top plan view of FIG. 7; and,

FIG. 12 is a perspective view of FIG. 7. 

The ornamental design for a fish tank, as shown and described. 